Movatterモバイル変換


[0]ホーム

URL:


  1. Web
  2. Web APIs
  3. HTMLInputElement
  4. defaultChecked

HTMLInputElement: defaultChecked property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨July 2015⁩.

ThedefaultChecked property of theHTMLInputElement interface specifies the default checkedness state of the element. This property reflects the<input> element'schecked attribute.

The booleanchecked attribute is valid for theradio (<input type="radio">) andcheckbox (<input type="checkbox">) input types. The presence of the attribute sets thedefaultChecked property totrue.

Value

A boolean.

Examples

js
const inputElement = document.getElementById("contactMail");console.log(inputElement.defaultChecked);

Specifications

Specification
HTML
# dom-input-defaultchecked

Browser compatibility

See also

Help improve MDN

Learn how to contribute

This page was last modified on byMDN contributors.


[8]ページ先頭

©2009-2025 Movatter.jp